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Finding the Fourth Proportional to 15,992.67, 23,989.01 and 4,899.32

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Solution

The fourth proportional to 15,992.67, 23,989.01 and 4,899.32 is: 7,348.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,992.67 : 23,989.01 = 4,899.32 : x
  2. Step 2: Convert to fraction form
    15,992.67/23,989.01 = 4,899.32/x
  3. Step 3: Cross multiply
    15,992.67x = 23,989.01 × 4,899.32
  4. Step 4: Simplify right side
    15,992.67x = 117,529,692.03
  5. Step 5: Solve for x
    x = 117,529,692.03/15,992.67
  6. Step 6: Final answer
    x = 7,348.97

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.